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Obstetrics/Gynecology

Margaret S. Nemetz, MD

Works at hospitals in Cambridge, MA · Massachusetts

Summary

Dr. Margaret S. Nemetz, MD is an OB-GYN at 330 Mount Auburn St, Cambridge, MA 02138. Phone: (617) 499-5055. Accepts Medicare assignment. NPI 1568081776. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 330 Mount Auburn St, Cambridge, MA 02138 · Directions (1 more location)
  • Phone: (617) 499‑5055
  • Medicare: Accepts Medicare assignment
  • Hospital: Mount Auburn Hospital
  • Group practice: Mount Auburn Professional Services Inc (+1 more)
  • Medical school: Michigan State University College Of Human Medicine · graduated 2020 (6 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Margaret S. Nemetz, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Margaret S. Nemetz accept Medicare assignment?
Yes. Medicare's clinician data says Margaret S. Nemetz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Margaret S. Nemetz's NPI number?
1568081776. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Margaret S. Nemetz works

Medicare's Facility Affiliation Data lists Margaret S. Nemetz at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Margaret S. Nemetz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Margaret S. Nemetz as a member of these groups (CMS data updated October 2, 2026).

  • Mount Auburn Professional Services Inc231 clinicians in the group
  • Essex County Obgyn Assoc Inc26 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Massachusetts →

Other OB-GYNs in Cambridge

Clinicians with the same Medicare primary specialty in Cambridge, MA — not a recommendation.

All OB-GYNs in Cambridge →

Other clinicians in Mount Auburn Professional Services Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year2020 (6 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568081776
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians